National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

A Few Clouds

35°F

2°C

Humidity 93%
Wind Speed Calm
Barometer 30.22 in (1023.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 4 Mar 7:56 am EST
Extended Forecast for

South Dennis MA

  • Today

    Today: Areas of fog before 9am. Otherwise, sunny, with a high near 45. Northwest wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 45 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Areas of fog after midnight. Otherwise, partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy
    then Areas
    Fog

  • Thursday

    Thursday: A chance of rain, mainly after 11am. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 40. Calm wind becoming south around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Chance Rain
    and Areas Fog

  • Thursday Night

    Thursday Night: Rain, mainly after 9pm. Low around 33. East wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Rain

  • Friday

    Friday: Rain, mainly before 11am. High near 41. Northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 41 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Cloudy, with a low around 33. Light and variable wind.

    Low: 33 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 47. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 47 °F

    Cloudy

  • Saturday Night

    Saturday Night: A chance of rain after 8pm. Cloudy, with a low around 38. Southwest wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 38 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain before 8am. Partly sunny, with a high near 47. West wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance Rain
    then Partly
    Sunny

Detailed Forecast

Today
Areas of fog before 9am. Otherwise, sunny, with a high near 45. Northwest wind 5 to 7 mph becoming light and variable in the afternoon.
Tonight
Areas of fog after midnight. Otherwise, partly cloudy, with a low around 30. Calm wind.
Thursday
A chance of rain, mainly after 11am. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 40. Calm wind becoming south around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain, mainly after 9pm. Low around 33. East wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 11am. High near 41. Northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday Night
Cloudy, with a low around 33. Light and variable wind.
Saturday
Cloudy, with a high near 47. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
A chance of rain after 8pm. Cloudy, with a low around 38. Southwest wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Sunday
A chance of rain before 8am. Partly sunny, with a high near 47. West wind 3 to 7 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 35. Southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 48. Southwest wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 37. Southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 49. Southwest wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Dennis MA
 41.69°N 70.16°W (Elev. 7 ft)
Last Update:
5:42 am EST Mar 4, 2026
Forecast Valid:
8am EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation